Datasheet > 24LCS21_13

24LCS21_13

更新时间： 2024-11-05 12:52:31

品牌	Logo	应用领域
美国微芯 - MICROCHIP		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
24页	240K
描述
1K 2.5V Dual Mode I2Câ¢ Serial EEPROM

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中文翻译

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数据手册

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24LCS21_13 数据手册

Not recommended for new designs –

Please use 24LCS21A.

24LCS21

1K 2.5V Dual Mode I²C^™Serial EEPROM

Features:

Package Types

• Completely implements DDC1^™/DDC2^™interface

for monitor identification

PDIP

• Hardware write-protect pin

VCC

VCLK

SCL

SDA

• Single supply with operation down to 2.5V

• Low-power CMOS technology:

- 1 mA active current, typical

VSS

- 10 A standby current, typical at 5.5V

• 2-wire serial interface bus, I²C^™compatible (SCL)

• Self-timed write cycle (including auto-erase)

• Page-write buffer for up to 8 bytes

SOIC

• 100 kHz (2.5V) and 400 kHz (5V) compatibility

(SCL)

VCC

VCLK

SCL

SDA

• 1,000,000 erase/write cycles ensured

• Data retention > 200 years

VSS

• 8-pin PDIP and SOIC package

• Available for extended temperature ranges:

- Commercial (C):

- Industrial (I)

0°C to +70°C

-40°C to +85°C

Description:

Block Diagram

The Microchip Technology Inc. 24LCS21 is a 128 x 8-bit

dual-mode Electrically Erasable PROM. This device is

designed for use in applications requiring storage and

serial transmission of configuration and control informa-

tion. Two modes of operation have been implemented:

Transmit-Only mode and Bidirectional mode. Upon

power-up, the device will be in the Transmit-Only mode,

sending a serial bit stream of the entire memory array

contents, clocked by the VCLK pin. A valid high-to-low

transition on the SCL pin will cause the device to enter

the Bidirectional mode, with byte selectable read/write

capability of the memory array in standard I²C protocol.

HV Generator

I/O

Control

Logic

Memory

Control

Logic

EEPROM

Array

XDEC

Page Latches

SDA SCL

YDEC

VCLK

Sense Amp

R/W Control

The 24LCS21 also enables the user to write-protect the

entire memory contents using its write-protect pin. The

24LCS21 is available in a standard 8-pin PDIP and

SOIC package in both commercial and industrial

temperature ranges.

VCC

VSS

 1995-2012 Microchip Technology Inc.

DS21127G-page 1

12 3 4 5 6 7...24

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